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view tests/hghave @ 31432:6e1c79578e5c
mq: explicitly tests for None
Changeset fd3d8eb7f545 removed the mutable default value, but did not explicitly
tested for None. Such implicit testing can introduce semantic and performance
issue. We move to an explicit testing for None as recommended by PEP8:
https://www.python.org/dev/peps/pep-0008/#programming-recommendations
author | Pierre-Yves David <pierre-yves.david@ens-lyon.org> |
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date | Wed, 15 Mar 2017 15:05:54 -0700 |
parents | b1b35a9051c3 |
children | 47ef023d0165 |
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#!/usr/bin/env python """Test the running system for features availability. Exit with zero if all features are there, non-zero otherwise. If a feature name is prefixed with "no-", the absence of feature is tested. """ from __future__ import absolute_import, print_function import hghave import optparse import os import sys checks = hghave.checks def list_features(): for name, feature in sorted(checks.items()): desc = feature[1] print(name + ':', desc) def test_features(): failed = 0 for name, feature in checks.items(): check, _ = feature try: check() except Exception as e: print("feature %s failed: %s" % (name, e)) failed += 1 return failed parser = optparse.OptionParser("%prog [options] [features]") parser.add_option("--test-features", action="store_true", help="test available features") parser.add_option("--list-features", action="store_true", help="list available features") def _loadaddon(): if 'TESTDIR' in os.environ: # loading from '.' isn't needed, because `hghave` should be # running at TESTTMP in this case path = os.environ['TESTDIR'] else: path = '.' if not os.path.exists(os.path.join(path, 'hghaveaddon.py')): return sys.path.insert(0, path) try: import hghaveaddon assert hghaveaddon # silence pyflakes except BaseException as inst: sys.stderr.write('failed to import hghaveaddon.py from %r: %s\n' % (path, inst)) sys.exit(2) sys.path.pop(0) if __name__ == '__main__': options, args = parser.parse_args() _loadaddon() if options.list_features: list_features() sys.exit(0) if options.test_features: sys.exit(test_features()) hghave.require(args)